.top{
	height: 183px;
	width: 780px;
	margin-bottom: 1px;
}
.banner{
	background: url(../img/banner.jpg);
	height: 150px;
	width: 780px;
}
.nav ul{
	list-style: none;
}
.nav li{
	float: left;
	width: 78px;
	text-align: center;
	line-height: 33px;
	background: url(../img/button1.jpg);
	display: block;
}
.nav li:hover{
	background: url(../img/button1_bg.jpg);
	position: relative;
	bottom:1px;
	right: 1px;
}
.nav a{
	color: #0F548E;
}
